With many teams moving to smaller colleges away from their team facility to conduct training camp, it's usually pretty easy to spot the NFL players. Not many normal people are 6'5 and weigh 300 pounds. And most people in a small college town don't drive the Bentleys and BMWs that NFL players often drive.
That's him driving a tractor into work with his luggage in tow and all. Just another day in Steelers training camp.